Talking plants have long been a thing of myths① and legends②.Many cultures have stories of talking trees [1]that give advice as well as③ warnings to people.Alexander the Great and Marco Polo were said to have visited such a tree in India.And in some modern stories，such as the film Avatar, trees can communicate with④ animals and people.
[1]that引导定语从句，修饰先行词talking trees。
[2]With us long believing that talking plants are fantasy⑤， new research has revealed something amazing：[3]it appears that plants can communicate after all⑥.
[2]with复合结构(with＋代词＋doing)作状语。
